@InProceedings{	  iv2001,
  author	= "Alberto Broggi AND Virginio Cantoni AND Ugo Vallone AND
		  Alessandra Fascioli",
  title		= "{Snowcat Track Detection in Snowy Environments}",
  booktitle	= "Procs.~IEEE Intelligent Vehicles Symposium 2001",
  year		= "2001",
  address	= "Tokyo, Japan",
  month		= may,
  pages		= "19-24"
}